<!--
  * 使用ant design <a-tabs> 组件
  *
  * @Author:    1024创新实验室-主任：卓大
  * @Date:      2022-09-06 20:29:12
  * @Wechat:    zhuda1024
  * @Email:     lab1024@163.com
  * @Copyright  1024创新实验室 （ https://1024lab.net ），Since 2012
-->
<template>
  <!-- 标签页，共两部分：1、标签 ；2、标签操作区 -->
  <a-row style="border-bottom: 1px solid #eeeeee; position: relative" v-show="pageTagFlag">
    <a-dropdown :trigger="['contextmenu']">
      <div class="smart-page-tag">
        <a-tabs style="width: 100%" type="card" :tab-position="mode" v-model:activeKey="selectedKey" size="small" @tabClick="selectTab">
          <a-tab-pane v-for="item in tagNav" :key="item.menuName">
            <template #tab>
              <span>
                {{ item.menuTitle }}
                <close-outlined @click.stop="closeTag(item, false)" v-if="item.menuName !== HOME_PAGE_NAME" class="smart-page-tag-close" />
              </span>
            </template>
          </a-tab-pane>
        </a-tabs>
      </div>
      <template #overlay>
        <a-menu>
          <a-menu-item @click="closeByMenu(false)">关闭其他</a-menu-item>
          <a-menu-item @click="closeByMenu(true)">关闭所有</a-menu-item>
        </a-menu>
      </template>
    </a-dropdown>

    <a-dropdown>
      <!--标签页操作区-->
      <div class="smart-page-tag-operate">
        <div class="smart-page-tag-operate-icon">
          <AppstoreOutlined />
        </div>
      </div>
      <template #overlay>
        <a-menu>
          <a-menu-item @click="closeByMenu(false)">关闭其他</a-menu-item>
          <a-menu-item @click="closeByMenu(true)">关闭所有</a-menu-item>
        </a-menu>
      </template>
    </a-dropdown>
  </a-row>
</template>

<script setup>
  import { AppstoreOutlined, CloseOutlined } from '@ant-design/icons-vue';
  import { computed, ref, watch } from 'vue';
  import { useRoute, useRouter } from 'vue-router';
  import { HOME_PAGE_NAME } from '/@/constants/system/home-const';
  import { useAppConfigStore } from '/@/store/modules/system/app-config';
  import { useUserStore } from '/@/store/modules/system/user';
  import { theme } from 'ant-design-vue';

  //标签页 是否显示
  const pageTagFlag = computed(() => useAppConfigStore().$state.pageTagFlag);

  const router = useRouter();
  const route = useRoute();
  const mode = ref('top');
  const tagNav = computed(() => useUserStore().getTagNav || []);
  const selectedKey = ref(route.name);

  watch(
    () => route.name,
    (newValue, oldValue) => {
      selectedKey.value = newValue;
    },
    { immediate: true }
  );

  //选择某个标签页
  function selectTab(name) {
    if (selectedKey.value === name) {
      return;
    }
    // 寻找tag
    let tag = tagNav.value.find((e) => e.menuName === name);
    if (!tag) {
      router.push({ name: HOME_PAGE_NAME });
      return;
    }
    // router.push({ name, query: Object.assign({ _keepAlive: 1 }, tag.menuQuery) });
    router.push({ name, query: tag.menuQuery });
  }

  //通过菜单关闭
  function closeByMenu(closeAll) {
    let find = tagNav.value.find((e) => e.menuName === selectedKey.value);
    if (!find || closeAll) {
      closeTag(null, true);
    } else {
      closeTag(find, true);
    }
  }

  //直接关闭
  function closeTag(item, closeAll) {
    // 关闭单个tag
    if (item && !closeAll) {
      let goName = HOME_PAGE_NAME;
      let goQuery = undefined;
      if (item.fromMenuName && item.fromMenuName !== item.menuName && tagNav.value.some((e) => e.menuName === item.fromMenuName)) {
        goName = item.fromMenuName;
        goQuery = item.fromMenuQuery;
      } else {
        // 查询左侧tag
        let index = tagNav.value.findIndex((e) => e.menuName === item.menuName);
        if (index > 0) {
          // 查询左侧tag
          let leftTagNav = tagNav.value[index - 1];
          goName = leftTagNav.menuName;
          goQuery = leftTagNav.menuQuery;
        }
      }
      // router.push({ name: goName, query: Object.assign({ _keepAlive: 1 }, goQuery) });
      router.push({ name: goName, query: goQuery });
    } else if (!item && closeAll) {
      // 关闭所有tag
      router.push({ name: HOME_PAGE_NAME });
    }
    // 关闭其他tag不做处理 直接调用closeTagNav
    useUserStore().closeTagNav(item ? item.menuName : null, closeAll);
  }

  const { useToken } = theme;
  const { token } = useToken();
  const borderRadius = computed(() => {
    return token.value.borderRadius + 'px';
  });
</script>

<style scoped lang="less">
  @smart-page-tag-operate-width: 40px;
  @color-primary: v-bind('token.colorPrimary');

  .smart-page-tag-operate {
    width: @smart-page-tag-operate-width;
    height: @smart-page-tag-operate-width;
    background-color: #ffffff;
    font-size: 17px;
    text-align: center;
    vertical-align: middle;
    line-height: @smart-page-tag-operate-width;
    padding-right: 10px;
    cursor: pointer;
    color: #606266;

    .smart-page-tag-operate-icon {
      width: 20px;
      height: 20px;
      transition: all 1s;
      transform-origin: 10px 20px;
    }

    .smart-page-tag-operate-icon:hover {
      width: 20px;
      height: 20px;
      transform: rotate(360deg);
    }
  }

  .smart-page-tag-operate:hover {
    color: @color-primary;
  }

  .smart-page-tag {
    position: relative;
    box-sizing: border-box;
    display: flex;
    align-content: center;
    align-items: center;
    justify-content: space-between;
    min-height: @page-tag-height;
    padding-right: 20px;
    padding-left: 20px;
    user-select: none;
    background: #fff;
    width: calc(100% - @smart-page-tag-operate-width);

    .smart-page-tag-close {
      margin-left: 5px;
      font-size: 10px;
      color: #666666;
    }

    /**  覆盖 ant design vue的 tabs 样式，变小一点 **/

    :deep(.ant-tabs-nav) {
      margin: 0;
    }

    :deep(.ant-tabs-nav::before) {
      border-bottom: 1px solid #ffffff;
    }

    :deep(.ant-tabs-small > .ant-tabs-nav .ant-tabs-tab) {
      padding: 5px 8px 3px 15px;
      margin: 8px 0 0 5px;
      min-width: 60px;
      height: 32px;
      border-radius: v-bind(borderRadius) v-bind(borderRadius) 0 0;
      border-bottom: 0;
    }

    :deep(.ant-tabs-tab-active) {
      .smart-page-tag-close {
        color: @color-primary;
      }
    }
    :deep(.ant-tabs-nav .ant-tabs-tab:hover) {
      background-color: white;
      .smart-page-tag-close {
        color: @color-primary;
      }
    }
  }
</style>
